207941320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{653}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 494424000

約数和(自身を除く): 286482680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 419, 653, 760, 838, 1306, 1676, 2095, 2612, 3265, 3352, 4190, 5224, 6530, 7961, 8380, 12407, 13060, 15922, 16760, 24814, 26120, 31844, 39805, 49628, 62035, 63688, 79610, 99256, 124070, 159220, 248140, 273607, 318440, 496280, 547214, 1094428, 1368035, 2188856, 2736070, 5198533, 5472140, 10397066, 10944280, 20794132, 25992665, 41588264, 51985330, 103970660, 207941320]

約数ペア:

[(1, 207941320), (2, 103970660), (4, 51985330), (5, 41588264), (8, 25992665), (10, 20794132), (19, 10944280), (20, 10397066), (38, 5472140), (40, 5198533), (76, 2736070), (95, 2188856), (152, 1368035), (190, 1094428), (380, 547214), (419, 496280), (653, 318440), (760, 273607), (838, 248140), (1306, 159220), (1676, 124070), (2095, 99256), (2612, 79610), (3265, 63688), (3352, 62035), (4190, 49628), (5224, 39805), (6530, 31844), (7961, 26120), (8380, 24814), (12407, 16760), (13060, 15922)]